Firmware G991BXXSEGYA2

Device Galaxy S21 5G

Model SM-G991B

Region ZTO

OS Android 14

Release Date 1/22/2025

Upload Date 2/25/2025

PDA G991BXXSEGYA2

CSC G991BOWOEGYA2

Changelist 28579955

Size 8481682080 bytes (approx. 7.9 GB)